neutron-ovsdb/src/main/java/org/opendaylight/groupbasedpolicy/neutron/ovsdb/ProviderPhysicalNetworkListener.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.groupbasedpolicy.neutron.ovsdb;
   9
  10 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  11 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  12 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  13 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  14 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.groupbasedpolicy.util.DataStoreHelper;
  17 import org.opendaylight.groupbasedpolicy.util.DataTreeChangeHandler;
  18 import org.opendaylight.groupbasedpolicy.util.IidFactory;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.L2FloodDomainId;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.TenantId;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.Mappings;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.NeutronByGbpMappings;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.neutron.by.gbp.mappings.ProviderPhysicalNetworksAsL2FloodDomains;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.gbp.mapper.rev150513.mappings.neutron.by.gbp.mappings.provider.physical.networks.as.l2.flood.domains.ProviderPhysicalNetworkAsL2FloodDomain;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.Segmentation;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.SegmentationBuilder;
  27 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 import com.google.common.base.Strings;
  32
  33 public class ProviderPhysicalNetworkListener extends DataTreeChangeHandler<ProviderPhysicalNetworkAsL2FloodDomain> {
  34
  35     private static final Logger LOG = LoggerFactory.getLogger(ProviderPhysicalNetworkListener.class);
  36
  37     protected ProviderPhysicalNetworkListener(DataBroker dataProvider) {
  38         super(dataProvider);
  39         registerDataTreeChangeListener(new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL,
  40                         InstanceIdentifier.builder(Mappings.class)
  41                             .child(NeutronByGbpMappings.class)
  42                             .child(ProviderPhysicalNetworksAsL2FloodDomains.class)
  43                             .child(ProviderPhysicalNetworkAsL2FloodDomain.class)
  44                             .build()));
  45     }
  46
  47     @Override
  48     protected void onWrite(DataObjectModification<ProviderPhysicalNetworkAsL2FloodDomain> rootNode,
  49             InstanceIdentifier<ProviderPhysicalNetworkAsL2FloodDomain> rootIdentifier) {
  50         ProviderPhysicalNetworkAsL2FloodDomain dataAfter = rootNode.getDataAfter();
  51         if (dataAfter != null) {
  52             L2FloodDomainId l2FdId = dataAfter.getL2FloodDomainId();
  53             TenantId tenantId = dataAfter.getTenantId();
  54             String segmentationId = dataAfter.getSegmentationId();
  55             augmentSegmentationToFloodDomain(tenantId, l2FdId, segmentationId);
  56         }
  57     }
  58
  59     @Override
  60     protected void onDelete(DataObjectModification<ProviderPhysicalNetworkAsL2FloodDomain> rootNode,
  61             InstanceIdentifier<ProviderPhysicalNetworkAsL2FloodDomain> rootIdentifier) {
  62         ProviderPhysicalNetworkAsL2FloodDomain dataBefore = rootNode.getDataBefore();
  63         if (dataBefore != null) {
  64             L2FloodDomainId l2FdId = dataBefore.getL2FloodDomainId();
  65             TenantId tenantId = dataBefore.getTenantId();
  66             augmentSegmentationToFloodDomain(tenantId, l2FdId, null);
  67         }
  68     }
  69
  70     @Override
  71     protected void onSubtreeModified(DataObjectModification<ProviderPhysicalNetworkAsL2FloodDomain> rootNode,
  72             InstanceIdentifier<ProviderPhysicalNetworkAsL2FloodDomain> rootIdentifier) {
  73         ProviderPhysicalNetworkAsL2FloodDomain dataAfter = rootNode.getDataAfter();
  74         if (dataAfter != null) {
  75             L2FloodDomainId l2FdId = dataAfter.getL2FloodDomainId();
  76             TenantId tenantId = dataAfter.getTenantId();
  77             String segmentationId = dataAfter.getSegmentationId();
  78             augmentSegmentationToFloodDomain(tenantId, l2FdId, segmentationId);
  79         }
  80     }
  81
  82     private void augmentSegmentationToFloodDomain(TenantId tenantId, L2FloodDomainId l2FdId, String segmentationId) {
  83         if (Strings.isNullOrEmpty(segmentationId)) {
  84             ReadWriteTransaction rwTx = dataProvider.newReadWriteTransaction();
  85             DataStoreHelper.removeIfExists(LogicalDatastoreType.CONFIGURATION,
  86                     IidFactory.l2FloodDomainIid(tenantId, l2FdId).augmentation(Segmentation.class), rwTx);
  87             DataStoreHelper.submitToDs(rwTx);
  88         } else {
  89             try {
  90                 Segmentation segmentation =
  91                         new SegmentationBuilder().setSegmentationId(Integer.valueOf(segmentationId)).build();
  92                 WriteTransaction wTx = dataProvider.newWriteOnlyTransaction();
  93                 wTx.merge(LogicalDatastoreType.CONFIGURATION,
  94                         IidFactory.l2FloodDomainIid(tenantId, l2FdId).augmentation(Segmentation.class), segmentation);
  95                 DataStoreHelper.submitToDs(wTx);
  96             } catch (NumberFormatException e) {
  97                 LOG.info("Segmentation ID of Neutron Provider Physical Network {} is not a number but is {}.",
  98                         l2FdId.getValue(), segmentationId);
  99             }
 100         }
 101     }
 102
 103 }